initial fragmentation造句

例句与造句

1. Many comets have been observed to fragment far from perihelion, and it seems that in the case of the Kreutz sungrazers, an initial fragmentation near perihelion can be followed by an ongoing'cascade'of break-ups throughout the rest of the orbit.
2. It's difficult to find initial fragmentation in a sentence. 用initial fragmentation造句挺难的